Patent SG-11201902798X-A (SG)
Title: Diaphragm with edge seal
Inventor: POINDEXTER DAVID
IPC: F04B43/06
Filed: 2017-08-31
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property 1#11101111 0 11101 HOE 3E1 0 0111101111111010111 0111 NH III OEN Organization International Bureau (10) International Publication Number (43) International Publication Date ......0\"\" WO 2018/045221 Al 08 March 2018 (08.03.2018) WIP0 I PCT (51) International Patent Classification: AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, F04B 13/00 (2006.01) FO4B 43/02 (2006.01) CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, F04B 15/04 (2006.01) F04B 43/06 (2006.01) DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, F04B 43/00 (2006.01) F04B 43/067 (2006.01) HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, (21) International Application Number: KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, PCT/US2017/049712 MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, (22) International Filing Date: SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, 31 August 2017 (31.08.2017) TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (25) Filing Language: English (84) Designated States (unless otherwise indicated, for every (26) Publication Language: English kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, (30) Priority Data: UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, 62/382,639 01 September 2016 (01.09.2016) US TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, 15/599,814 19 May 2017 (19.05.2017) US EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, (71) Applicant: WANNER ENGINEERING, INC. [US/US]; TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, 1204 Chestnut Avenue, Minneapolis, MN 55403-1230 KM, ML, MR, NE, SN, TD, TG). (US). (72) Inventors: POINDEXTER, David; 1204 Chestnut Av- Published: enue, Minneapolis, MN 55403-1230 (US). TAYLOR, Neil; — with international search report (Art. 21(3)) = 14265 - 198th Avenue N.W., Elk River, MN 55330 (US). = (74) Agent: BRUESS, Steven, C.; Merchant & Gould P.C., P.O. Box 2903, Minneapolis, MN 55402-0903 (US). = (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, = (54) Title: DIAPHRAGM WITH EDGE = nc. 9 = = = 46 70 — = = SEAL (57) : A diaphragm (18) includes a disk-shaped center pla- nar portion (40) and a first lip (42) and a second lip (44) on the out- 54 60 ermost edge of the disk shaped portion (40) and extending trans- versely to the planar disk portion (40). The first lip (42) is on a first V side of the diaphragm (18) and the second lip (44) is on an opposite side of the diaphragm (18). A mounting portion (38) extends out- ward from the center of the face of the planar portion (40) on the 66 72 48 first side of the diaphragm (18). For metering pump applications pumping harsh fluids, the diaphragm (18) is typically made from -4 a fiuoropolymer and in particular may be made from polytetraflu- _ = = oroethylene (PTFE). 56 62 A 1. 64 A 11 - N ei in 71' 0 20 --.... 1-1 © ei II 10 ,P)1 1 il lial ► 24 C